The following are declared to be obstructions to the streets and sidewalks of the city:
A. Obstructing Traffic At Intersections: All trees, hedges, billboards or other obstructions which prevent persons driving vehicles approaching an intersection of public highways from having a clear view of traffic approaching the intersection from cross streets, for one hundred feet (100') along the cross streets measured from the property line.
B. Tree Limbs Projecting Over Streets And Sidewalks: All limbs of trees which project over a public sidewalk or street and which are less than eight feet (8') above the surface of the public sidewalk and eleven feet (11') above the surface of the street.
C. Wires Over Streets, Public Grounds: All wires over streets, alleys or public grounds which are strung less than twenty feet (20') above the surface of the ground and all wires not licensed by the city.
D. Damaged Buildings, Walls, Structures: All buildings, walls and other structures which have been damaged by fire, decay or otherwise, and which are so situated as to endanger the safety of the public, or otherwise built, erected or maintained in violation of this section.
E. Signs Hanging Over Streets, Sidewalks: All hanging signs, awnings and other similar structures over the streets or sidewalks so situated or constructed as to endanger public safety, and that are less than seven feet (7') in the clear above the street or sidewalk.
F. Miscellaneous Obstructions; Permit Requirement: All gasoline pumps, gasoline storage reservoirs, oil pumps, oil reservoirs, tire repair apparatus, tire tools or equipment, water hose connections, storage reservoir inlets or outlets, compressed air hose connections or housing for same, any merchandise businesses or any tools, stand, equipment or appurtenances thereof, and any radio aerials, poles and wires therefor, whether permanent or temporary, or any other obstructions upon any part of the public streets, alleys or sidewalks, unless a special permit is granted by the mayor and council, which permit, when granted, may be revoked at any time.
G. Ice And Snow Falling From Buildings; Water Drainage: The allowing of ice and snow to fall from any building or structure, or water to drain from any cooling or refrigeration system upon any street, sidewalk, alley or driveway.
H. Riding Bicycles, Skateboards On Sidewalks: The driving, riding or use of bicycles, skateboards, or roller skates on sidewalks located in retail or commercial districts of the city. (2000 Code § 14-101)